A major enhancement in EJB technology is the addition of the new Java Persistence API, which simplifies the entity persistence model and adds capabilities that were not in EJB 2.1 technology.
Wednesday, November 17, 2010
What is JPA?
The Java Persistence API deals with the way relational data is mapped to Java objects ("persistent entities"), the way that these objects are stored in a relational database so that they can be accessed at a later time, and the continued existence of an entity's state even after the application that uses it ends. In addition to simplifying the entity persistence model, the Java Persistence API standardizes object-relational mapping.
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